[NET]: Move hardware header operations out of netdevice.

Since hardware header operations are part of the protocol class
not the device instance, make them into a separate object and
save memory.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index 404cd1512312..4bd14b331862 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -1631,8 +1631,8 @@ static void strip_IdleTask(unsigned long parameter)
  */
 
 static int strip_header(struct sk_buff *skb, struct net_device *dev,
-                        unsigned short type, void *daddr, void *saddr,
-                        unsigned len)
+                        unsigned short type, const void *daddr,
+                        const void *saddr, unsigned len)
 {
         struct strip *strip_info = netdev_priv(dev);
         STRIP_Header *header = (STRIP_Header *) skb_push(skb, sizeof(STRIP_Header));
@@ -2497,6 +2497,11 @@ static int strip_close_low(struct net_device *dev)
         return 0;
 }
 
+static const struct header_ops strip_header_ops = {
+        .create = strip_header,
+        .rebuild = strip_rebuild_header,
+};
+
 /*
  * This routine is called by DDI when the
  * (dynamically assigned) device is registered
@@ -2531,8 +2536,8 @@ static void strip_dev_setup(struct net_device *dev)
         dev->open = strip_open_low;
         dev->stop = strip_close_low;
         dev->hard_start_xmit = strip_xmit;
-        dev->hard_header = strip_header;
-        dev->rebuild_header = strip_rebuild_header;
+        dev->header_ops = &strip_header_ops;
+
         dev->set_mac_address = strip_set_mac_address;
         dev->get_stats = strip_get_stats;
         dev->change_mtu = strip_change_mtu;